Thomas Industries, Inc. M39 Industrial Air Pump

The Thomas Industries Inc. M39 Industrial Air Pump is a compact, oil-free pump engineered for continuous-duty pressure and vacuum service in OEM and industrial equipment. It operates on 115 VAC, 60 Hz and draws 10 A, delivering dependable oil-free airflow for clean performance in laboratory instruments, medical devices, environmental analyzers, pneumatic controls, packaging machinery, and other automation systems. Maintenance technicians, OEM manufacturers, and system integrators rely on the M39 for equipment repair, preventive maintenance, retrofits, and replacement of existing Thomas air pump assemblies. Built for low maintenance and long service life, this pump features a continuous-duty design with robust industrial construction suitable for pressure and vacuum duties across medical, laboratory, environmental monitoring, and OEM machinery applications. Common replacements include Thomas M38, M40, and M39X pumps.